Thank you everyone. I started to use `empty?` for faster and better results.
On Wednesday, February 24, 2021 at 12:43:47 AM UTC+3 Lukasz wrote: > Right, good points. Thanks! > > > On Tuesday, February 23, 2021 at 3:31:04 p.m. UTC-5 Jeremy Evans wrote: > >> On Tue, Feb 23, 2021 at 11:40 AM Lukasz <[email protected]> wrote: >> >>> What about: Person.select(1).where(name: "Dennis").first.present? >>> >> >> !empty? is more efficient, at least if the record is large: >> >> DB[:persons].where(name: 'Dennis').empty? >> SELECT 1 AS one FROM persons WHERE (name = 'Dennis') LIMIT 1 >> >> Also, "present?" depends on ActiveSupport, and I would never recommend >> the use of ActiveSupport unless it was necessary. Sequel does have some >> optional dependency on ActiveSupport (e.g. active_model plugin, pg_interval >> extension), and it's been a source of problems over the years. Choosing to >> use ActiveSupport is in a general a poor Faustian bargain. >> >> Thanks, >> Jeremy >> > -- You received this message because you are subscribed to the Google Groups "sequel-talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/sequel-talk/2a15ca7c-ac63-483c-a06d-d655d340d45fn%40googlegroups.com.
